type.classId
            )
            // expanded to `actual` `typealias`
            val expandedType = type.fullyExpandedType
            Assertions.assertTrue(expandedType.isInt)
        }

        // Test stdlib-common: @JvmInline in the common module
        val actualClass = ktFile.findDescendantOfType<KtClassOrObject>()!!

		// but don't work in JSONP, which has to be evaluated as JavaScript,
		// and can lead to security holes there. It is valid JSON to
		// escape them, so we do so unconditionally.
		// See http://timelessrepo.com/json-isnt-a-javascript-subset for discussion.
		if c == '\u2028' || c == '\u2029' {
			if start < i {
				str(s[start:i])
			}
			str(`\u202`)
			char(hex[c&0xF])
			i += size
			start = i
			continue
		}

            'some.new.thing',
            'my.package',
            '2rt9.thing',
            'a.class.of.mine',
            'if.twice.then.double',
            'custom.for.stuff',
            'th-is.isnt.legal',
            'nor.is.-.this',
            'nor.is._.this',
        ]
    }

    def "should allow unusual but valid package name: #validPackageName"() {
        given:

		}
		if b == types.True {
			return types.True
		}
	}
	if err != nil {
		return err
	}
	return types.False
}

func (t *unstructuredList) Get(idx ref.Val) ref.Val {
	iv, isInt := idx.(types.Int)
	if !isInt {
		return types.ValOrErr(idx, "unsupported index: %v", idx)
	}
	i := int(iv)
	if i < 0 || i >= len(t.elements) {
		return types.NewErr("index out of bounds: %v", idx)
	}

	// proceed if f doesn't underflow to 0 or overflow to inf.
	if x, _ := f.Float64(); f.Sign() == 0 == (x == 0) && !math.IsInf(x, 0) {
		s := fmt.Sprintf("%.6g", x)
		if !f.IsInt() && strings.IndexByte(s, '.') < 0 {
			// f is not an integer, but its string representation
			// doesn't reflect that. Use more digits. See issue 56220.
			s = fmt.Sprintf("%g", x)
		}
		return s
	}

func (x *Float) Signbit() bool {
	return x.neg
}

// IsInf reports whether x is +Inf or -Inf.
func (x *Float) IsInf() bool {
	return x.form == inf
}

// IsInt reports whether x is an integer.
// ±Inf values are not integers.
func (x *Float) IsInt() bool {
	if debugFloat {
		x.validate()
	}
	// special cases
	if x.form != finite {
		return x.form == zero
	}
	// x.form == finite
	if x.exp <= 0 {

	// (See issue #11371).
	f := ir.BigFloat(v)
	if f.MantExp(nil) > 2*ir.ConstPrec {
		base.Errorf("integer too large")
	} else {
		var t big.Float
		t.Parse(fmt.Sprint(v), 0)
		if t.IsInt() {
			base.Errorf("constant truncated to integer")
		} else {
			base.Errorf("constant %v truncated to integer", v)
		}
	}

	// Prevent follow-on errors.
	return constant.MakeUnknown()
}

	case constant.IsFloat &&
		!isHexInt(constant.Text) && !isRuneInt(constant.Text) &&
		strings.ContainsAny(constant.Text, ".eEpP"):
		return reflect.ValueOf(constant.Float64)

	case constant.IsInt:
		n := int(constant.Int64)
		if int64(n) != constant.Int64 {
			s.errorf("%s overflows int", constant.Text)
		}
		return reflect.ValueOf(n)

	case constant.IsUint:

	if v1 == nil && v2 != nil {
		base.Fatalf("walkRange: v2 != nil while v1 == nil")
	}

	var body []ir.Node
	var init []ir.Node
	switch k := t.Kind(); {
	default:
		base.Fatalf("walkRange")

	case types.IsInt[k]:
		hv1 := typecheck.TempAt(base.Pos, ir.CurFunc, t)
		hn := typecheck.TempAt(base.Pos, ir.CurFunc, t)

		init = append(init, ir.NewAssignStmt(base.Pos, hv1, nil))
		init = append(init, ir.NewAssignStmt(base.Pos, hn, a))

		"0.000000001e+9 int",
		"1.2345e200 int",
		"Inf",
		"+Inf",
		"-Inf",
	} {
		s := strings.TrimSuffix(test, " int")
		want := s != test
		if got := makeFloat(s).IsInt(); got != want {
			t.Errorf("%s.IsInt() == %t", s, got)
		}
	}
}

func fromBinary(s string) int64 {
	x, err := strconv.ParseInt(s, 2, 64)
	if err != nil {
		panic(err)
	}
	return x
}